Stringed musical instrument headstock



FIG. 1 is a top and right side perspective view of a stringed musical instrument headstock, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof

FIG. 6 is a left side elevational view thereof

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a top perspective view of a stringed musical instrument headstock, the broken line showing of a neck and body is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a stringed musical instrument headstock, as shown and described. 